1 /* Default profiling support.
2 Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
3 Contributed by Cygnus Support.
5 This file is part of GDB, the GNU debugger.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 #include "sim-options.h"
24 #include "sim-assert.h"
38 #define COMMAS(n) sim_add_commas (comma_buf, sizeof (comma_buf), (n))
40 static MODULE_INIT_FN profile_init;
41 static MODULE_UNINSTALL_FN profile_uninstall;
43 static DECLARE_OPTION_HANDLER (profile_option_handler);
46 OPTION_PROFILE_INSN = OPTION_START,
47 OPTION_PROFILE_MEMORY,
52 OPTION_PROFILE_PC_RANGE,
53 OPTION_PROFILE_PC_GRANULARITY,
55 OPTION_PROFILE_FUNCTION
58 static const OPTION profile_options[] = {
59 { {"profile", optional_argument, NULL, 'p'},
60 'p', "on|off", "Perform profiling",
61 profile_option_handler },
62 { {"profile-insn", optional_argument, NULL, OPTION_PROFILE_INSN},
63 '\0', "on|off", "Perform instruction profiling",
64 profile_option_handler },
65 { {"profile-memory", optional_argument, NULL, OPTION_PROFILE_MEMORY},
66 '\0', "on|off", "Perform memory profiling",
67 profile_option_handler },
68 { {"profile-core", optional_argument, NULL, OPTION_PROFILE_CORE},
69 '\0', "on|off", "Perform CORE profiling",
70 profile_option_handler },
71 { {"profile-model", optional_argument, NULL, OPTION_PROFILE_MODEL},
72 '\0', "on|off", "Perform model profiling",
73 profile_option_handler },
75 { {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE},
76 '\0', "FILE NAME", "Specify profile output file",
77 profile_option_handler },
79 { {"profile-pc", optional_argument, NULL, OPTION_PROFILE_PC},
80 '\0', "on|off", "Perform PC profiling",
81 profile_option_handler },
82 { {"profile-pc-frequency", required_argument, NULL, 'F'},
83 'F', "PC PROFILE FREQUENCY", "Specified PC profiling frequency",
84 profile_option_handler },
85 { {"profile-pc-size", required_argument, NULL, 'S'},
86 'S', "PC PROFILE SIZE", "Specify PC profiling size",
87 profile_option_handler },
88 { {"profile-pc-granularity", required_argument, NULL, OPTION_PROFILE_PC_GRANULARITY},
89 '\0', "PC PROFILE GRANULARITY", "Specify PC profiling sample coverage",
90 profile_option_handler },
91 { {"profile-pc-range", required_argument, NULL, OPTION_PROFILE_PC_RANGE},
92 '\0', "BASE,BOUND", "Specify PC profiling address range",
93 profile_option_handler },
95 #ifdef SIM_HAVE_ADDR_RANGE
96 { {"profile-range", required_argument, NULL, OPTION_PROFILE_RANGE},
97 '\0', "START,END", "Specify range of addresses for instruction and model profiling",
98 profile_option_handler },
100 { {"profile-function", required_argument, NULL, OPTION_PROFILE_FUNCTION},
101 '\0', "FUNCTION", "Specify function to profile",
102 profile_option_handler },
106 { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
109 /* Set/reset the profile options indicated in MASK. */
112 set_profile_option_mask (SIM_DESC sd, const char *name, int mask, const char *arg)
120 if (strcmp (arg, "yes") == 0
121 || strcmp (arg, "on") == 0
122 || strcmp (arg, "1") == 0)
124 else if (strcmp (arg, "no") == 0
125 || strcmp (arg, "off") == 0
126 || strcmp (arg, "0") == 0)
130 sim_io_eprintf (sd, "Argument `%s' for `--profile%s' invalid, one of `on', `off', `yes', `no' expected\n", arg, name);
135 /* update applicable profile bits */
136 for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr)
138 if ((mask & (1 << profile_nr)) == 0)
141 #if 0 /* see sim-trace.c, set flags in STATE here if/when there are any */
142 /* Set non-cpu specific values. */
150 /* Set cpu values. */
151 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
153 CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr] = profile_val;
157 /* Re-compute the cpu profile summary. */
160 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
161 CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1;
165 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
167 CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 0;
168 for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr)
170 if (CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr])
172 CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1;
182 /* Set one profile option based on its IDX value.
183 Not static as cgen-scache.c uses it. */
186 sim_profile_set_option (SIM_DESC sd, const char *name, int idx, const char *arg)
188 return set_profile_option_mask (sd, name, 1 << idx, arg);
192 profile_option_handler (SIM_DESC sd,
200 /* FIXME: Need to handle `cpu' arg. */
206 sim_io_eprintf (sd, "Profiling not compiled in, `-p' ignored\n");
208 return set_profile_option_mask (sd, "profile", PROFILE_USEFUL_MASK,
212 case OPTION_PROFILE_INSN :
213 if (WITH_PROFILE_INSN_P)
214 return sim_profile_set_option (sd, "-insn", PROFILE_INSN_IDX, arg);
216 sim_io_eprintf (sd, "Instruction profiling not compiled in, `--profile-insn' ignored\n");
219 case OPTION_PROFILE_MEMORY :
220 if (WITH_PROFILE_MEMORY_P)
221 return sim_profile_set_option (sd, "-memory", PROFILE_MEMORY_IDX, arg);
223 sim_io_eprintf (sd, "Memory profiling not compiled in, `--profile-memory' ignored\n");
226 case OPTION_PROFILE_CORE :
227 if (WITH_PROFILE_CORE_P)
228 return sim_profile_set_option (sd, "-core", PROFILE_CORE_IDX, arg);
230 sim_io_eprintf (sd, "CORE profiling not compiled in, `--profile-core' ignored\n");
233 case OPTION_PROFILE_MODEL :
234 if (WITH_PROFILE_MODEL_P)
235 return sim_profile_set_option (sd, "-model", PROFILE_MODEL_IDX, arg);
237 sim_io_eprintf (sd, "Model profiling not compiled in, `--profile-model' ignored\n");
240 case OPTION_PROFILE_FILE :
241 /* FIXME: Might want this to apply to pc profiling only,
242 or have two profile file options. */
244 sim_io_eprintf (sd, "Profiling not compiled in, `--profile-file' ignored\n");
247 FILE *f = fopen (arg, "w");
251 sim_io_eprintf (sd, "Unable to open profile output file `%s'\n", arg);
254 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
255 PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = f;
259 case OPTION_PROFILE_PC:
260 if (WITH_PROFILE_PC_P)
261 return sim_profile_set_option (sd, "-pc", PROFILE_PC_IDX, arg);
263 sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc' ignored\n");
267 if (WITH_PROFILE_PC_P)
269 /* FIXME: Validate arg. */
270 int val = atoi (arg);
271 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
272 PROFILE_PC_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val;
273 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
274 CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
277 sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-frequency' ignored\n");
281 if (WITH_PROFILE_PC_P)
283 /* FIXME: Validate arg. */
284 int val = atoi (arg);
285 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
286 PROFILE_PC_NR_BUCKETS (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val;
287 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
288 CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
291 sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-size' ignored\n");
294 case OPTION_PROFILE_PC_GRANULARITY:
295 if (WITH_PROFILE_PC_P)
298 int val = atoi (arg);
299 /* check that the granularity is a power of two */
301 while (val > (1 << shift))
305 if (val != (1 << shift))
307 sim_io_eprintf (sd, "PC profiling granularity not a power of two\n");
312 sim_io_eprintf (sd, "PC profiling granularity too small");
315 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
316 PROFILE_PC_SHIFT (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = shift;
317 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
318 CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
321 sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-granularity' ignored\n");
324 case OPTION_PROFILE_PC_RANGE:
325 if (WITH_PROFILE_PC_P)
327 /* FIXME: Validate args */
331 base = strtoul (chp, &chp, 0);
334 sim_io_eprintf (sd, "--profile-pc-range missing BOUND argument\n");
337 bound = strtoul (chp + 1, NULL, 0);
338 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
340 PROFILE_PC_START (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = base;
341 PROFILE_PC_END (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = bound;
343 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
344 CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
347 sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-range' ignored\n");
350 #ifdef SIM_HAVE_ADDR_RANGE
351 case OPTION_PROFILE_RANGE :
355 unsigned long start,end;
356 start = strtoul (chp, &chp, 0);
359 sim_io_eprintf (sd, "--profile-range missing END argument\n");
362 end = strtoul (chp + 1, NULL, 0);
363 /* FIXME: Argument validation. */
365 sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)),
368 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
369 sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))),
373 sim_io_eprintf (sd, "Profiling not compiled in, `--profile-range' ignored\n");
376 case OPTION_PROFILE_FUNCTION :
379 /*wip: need to compute function range given name*/
382 sim_io_eprintf (sd, "Profiling not compiled in, `--profile-function' ignored\n");
384 #endif /* SIM_HAVE_ADDR_RANGE */
390 /* PC profiling support */
392 #if WITH_PROFILE_PC_P
395 profile_pc_cleanup (SIM_DESC sd)
398 for (n = 0; n < MAX_NR_PROCESSORS; n++)
400 sim_cpu *cpu = STATE_CPU (sd, n);
401 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
402 if (PROFILE_PC_COUNT (data) != NULL)
403 zfree (PROFILE_PC_COUNT (data));
404 PROFILE_PC_COUNT (data) = NULL;
405 if (PROFILE_PC_EVENT (data) != NULL)
406 sim_events_deschedule (sd, PROFILE_PC_EVENT (data));
407 PROFILE_PC_EVENT (data) = NULL;
413 profile_pc_uninstall (SIM_DESC sd)
415 profile_pc_cleanup (sd);
419 profile_pc_event (SIM_DESC sd,
422 sim_cpu *cpu = (sim_cpu*) data;
423 PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
426 switch (STATE_WATCHPOINTS (sd)->sizeof_pc)
428 case 2: pc = *(unsigned_2*)(STATE_WATCHPOINTS (sd)->pc) ; break;
429 case 4: pc = *(unsigned_4*)(STATE_WATCHPOINTS (sd)->pc) ; break;
430 case 8: pc = *(unsigned_8*)(STATE_WATCHPOINTS (sd)->pc) ; break;
433 i = (pc - PROFILE_PC_START (profile)) >> PROFILE_PC_SHIFT (profile);
434 if (i < PROFILE_PC_NR_BUCKETS (profile))
435 PROFILE_PC_COUNT (profile) [i] += 1; /* Overflow? */
437 PROFILE_PC_COUNT (profile) [PROFILE_PC_NR_BUCKETS (profile)] += 1;
438 PROFILE_PC_EVENT (profile) =
439 sim_events_schedule (sd, PROFILE_PC_FREQ (profile), profile_pc_event, cpu);
443 profile_pc_init (SIM_DESC sd)
446 profile_pc_cleanup (sd);
447 for (n = 0; n < MAX_NR_PROCESSORS; n++)
449 sim_cpu *cpu = STATE_CPU (sd, n);
450 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
451 if (CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX]
452 && STATE_WATCHPOINTS (sd)->pc != NULL)
455 /* fill in the frequency if not specified */
456 if (PROFILE_PC_FREQ (data) == 0)
457 PROFILE_PC_FREQ (data) = 256;
458 /* fill in the start/end if not specified */
459 if (PROFILE_PC_END (data) == 0)
461 PROFILE_PC_START (data) = STATE_TEXT_START (sd);
462 PROFILE_PC_END (data) = STATE_TEXT_END (sd);
464 /* Compute the number of buckets if not specified. */
465 if (PROFILE_PC_NR_BUCKETS (data) == 0)
467 if (PROFILE_PC_BUCKET_SIZE (data) == 0)
468 PROFILE_PC_NR_BUCKETS (data) = 16;
471 if (PROFILE_PC_END (data) == 0)
473 /* nr_buckets = (full-address-range / 2) / (bucket_size / 2) */
474 PROFILE_PC_NR_BUCKETS (data) =
475 ((1 << (STATE_WATCHPOINTS (sd)->sizeof_pc) * (8 - 1))
476 / (PROFILE_PC_BUCKET_SIZE (data) / 2));
480 PROFILE_PC_NR_BUCKETS (data) =
481 ((PROFILE_PC_END (data)
482 - PROFILE_PC_START (data)
483 + PROFILE_PC_BUCKET_SIZE (data) - 1)
484 / PROFILE_PC_BUCKET_SIZE (data));
488 /* Compute the bucket size if not specified. Ensure that it
489 is rounded up to the next power of two */
490 if (PROFILE_PC_BUCKET_SIZE (data) == 0)
492 if (PROFILE_PC_END (data) == 0)
493 /* bucket_size = (full-address-range / 2) / (nr_buckets / 2) */
494 bucket_size = ((1 << ((STATE_WATCHPOINTS (sd)->sizeof_pc * 8) - 1))
495 / (PROFILE_PC_NR_BUCKETS (data) / 2));
497 bucket_size = ((PROFILE_PC_END (data)
498 - PROFILE_PC_START (data)
499 + PROFILE_PC_NR_BUCKETS (data) - 1)
500 / PROFILE_PC_NR_BUCKETS (data));
501 PROFILE_PC_SHIFT (data) = 0;
502 while (bucket_size < PROFILE_PC_BUCKET_SIZE (data))
504 PROFILE_PC_SHIFT (data) += 1;
507 /* Align the end address with bucket size */
508 if (PROFILE_PC_END (data) != 0)
509 PROFILE_PC_END (data) = (PROFILE_PC_START (data)
510 + (PROFILE_PC_BUCKET_SIZE (data)
511 * PROFILE_PC_NR_BUCKETS (data)));
512 /* create the relevant buffers */
513 PROFILE_PC_COUNT (data) =
514 NZALLOC (unsigned, PROFILE_PC_NR_BUCKETS (data) + 1);
515 PROFILE_PC_EVENT (data) =
516 sim_events_schedule (sd,
517 PROFILE_PC_FREQ (data),
526 profile_print_pc (sim_cpu *cpu, int verbose)
528 SIM_DESC sd = CPU_STATE (cpu);
529 PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
535 if (PROFILE_PC_COUNT (profile) == 0)
538 sim_io_printf (sd, "Program Counter Statistics:\n\n");
540 /* First pass over data computes various things. */
543 for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
545 total += PROFILE_PC_COUNT (profile) [i];
546 if (PROFILE_PC_COUNT (profile) [i] > max_val)
547 max_val = PROFILE_PC_COUNT (profile) [i];
550 sim_io_printf (sd, " Total samples: %s\n",
552 sim_io_printf (sd, " Granularity: %s bytes per bucket\n",
553 COMMAS (PROFILE_PC_BUCKET_SIZE (profile)));
554 sim_io_printf (sd, " Size: %s buckets\n",
555 COMMAS (PROFILE_PC_NR_BUCKETS (profile)));
556 sim_io_printf (sd, " Frequency: %s cycles per sample\n",
557 COMMAS (PROFILE_PC_FREQ (profile)));
559 if (PROFILE_PC_END (profile) != 0)
560 sim_io_printf (sd, " Range: 0x%lx 0x%lx\n",
561 (long) PROFILE_PC_START (profile),
562 (long) PROFILE_PC_END (profile));
564 if (verbose && max_val != 0)
566 /* Now we can print the histogram. */
567 sim_io_printf (sd, "\n");
568 for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
570 if (PROFILE_PC_COUNT (profile) [i] != 0)
572 sim_io_printf (sd, " ");
573 if (i == PROFILE_PC_NR_BUCKETS (profile))
574 sim_io_printf (sd, "%10s:", "overflow");
576 sim_io_printf (sd, "0x%08lx:",
577 (long) (PROFILE_PC_START (profile)
578 + (i * PROFILE_PC_BUCKET_SIZE (profile))));
579 sim_io_printf (sd, " %*s",
580 max_val < 10000 ? 5 : 10,
581 COMMAS (PROFILE_PC_COUNT (profile) [i]));
582 sim_io_printf (sd, " %4.1f",
583 (PROFILE_PC_COUNT (profile) [i] * 100.0) / total);
584 sim_io_printf (sd, ": ");
585 sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
586 PROFILE_PC_COUNT (profile) [i],
588 sim_io_printf (sd, "\n");
593 /* dump the histogram to the file "gmon.out" using BSD's gprof file
595 /* Since a profile data file is in the native format of the host on
596 which the profile is being, endian issues are not considered in
598 /* FIXME: Is this the best place for this code? */
600 FILE *pf = fopen ("gmon.out", "wb");
603 sim_io_eprintf (sd, "Failed to open \"gmon.out\" profile file\n");
607 /* FIXME: what if the target has a 64 bit PC? */
608 unsigned32 header[3];
610 if (PROFILE_PC_END (profile) != 0)
612 header[0] = PROFILE_PC_START (profile);
613 header[1] = PROFILE_PC_END (profile);
620 /* size of sample buffer (+ header) */
621 header[2] = PROFILE_PC_NR_BUCKETS (profile) * 2 + sizeof (header);
622 ok = fwrite (&header, sizeof (header), 1, pf);
624 ok && (loop < PROFILE_PC_NR_BUCKETS (profile));
628 if (PROFILE_PC_COUNT (profile) [loop] >= 0xffff)
631 sample = PROFILE_PC_COUNT (profile) [loop];
632 ok = fwrite (&sample, sizeof (sample), 1, pf);
635 sim_io_eprintf (sd, "Failed to write to \"gmon.out\" profile file\n");
640 sim_io_printf (sd, "\n");
645 /* Summary printing support. */
647 #if WITH_PROFILE_INSN_P
650 profile_insn_init (SIM_DESC sd)
654 for (c = 0; c < MAX_NR_PROCESSORS; ++c)
656 sim_cpu *cpu = STATE_CPU (sd, c);
658 if (CPU_MAX_INSNS (cpu) > 0)
659 PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) = NZALLOC (unsigned int, CPU_MAX_INSNS (cpu));
666 profile_print_insn (sim_cpu *cpu, int verbose)
668 unsigned int i, n, total, max_val, max_name_len;
669 SIM_DESC sd = CPU_STATE (cpu);
670 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
673 /* If MAX_INSNS not set, insn profiling isn't supported. */
674 if (CPU_MAX_INSNS (cpu) == 0)
677 sim_io_printf (sd, "Instruction Statistics");
678 #ifdef SIM_HAVE_ADDR_RANGE
679 if (PROFILE_RANGE (data)->ranges)
680 sim_io_printf (sd, " (for selected address range(s))");
682 sim_io_printf (sd, "\n\n");
684 /* First pass over data computes various things. */
688 for (i = 0; i < CPU_MAX_INSNS (cpu); ++i)
690 const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i);
694 total += PROFILE_INSN_COUNT (data) [i];
695 if (PROFILE_INSN_COUNT (data) [i] > max_val)
696 max_val = PROFILE_INSN_COUNT (data) [i];
698 if (n > max_name_len)
701 /* set the total insn count, in case client is being lazy */
702 if (! PROFILE_TOTAL_INSN_COUNT (data))
703 PROFILE_TOTAL_INSN_COUNT (data) = total;
705 sim_io_printf (sd, " Total: %s insns\n", COMMAS (total));
707 if (verbose && max_val != 0)
709 /* Now we can print the histogram. */
710 sim_io_printf (sd, "\n");
711 for (i = 0; i < CPU_MAX_INSNS (cpu); ++i)
713 const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i);
717 if (PROFILE_INSN_COUNT (data) [i] != 0)
719 sim_io_printf (sd, " %*s: %*s: ",
721 max_val < 10000 ? 5 : 10,
722 COMMAS (PROFILE_INSN_COUNT (data) [i]));
723 sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
724 PROFILE_INSN_COUNT (data) [i],
726 sim_io_printf (sd, "\n");
731 sim_io_printf (sd, "\n");
736 #if WITH_PROFILE_MEMORY_P
739 profile_print_memory (sim_cpu *cpu, int verbose)
742 unsigned int total_read, total_write;
743 unsigned int max_val, max_name_len;
744 /* FIXME: Need to add smp support. */
745 SIM_DESC sd = CPU_STATE (cpu);
746 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
749 sim_io_printf (sd, "Memory Access Statistics\n\n");
751 /* First pass over data computes various things. */
752 max_val = total_read = total_write = max_name_len = 0;
753 for (i = 0; i < MODE_TARGET_MAX; ++i)
755 total_read += PROFILE_READ_COUNT (data) [i];
756 total_write += PROFILE_WRITE_COUNT (data) [i];
757 if (PROFILE_READ_COUNT (data) [i] > max_val)
758 max_val = PROFILE_READ_COUNT (data) [i];
759 if (PROFILE_WRITE_COUNT (data) [i] > max_val)
760 max_val = PROFILE_WRITE_COUNT (data) [i];
761 n = strlen (MODE_NAME (i));
762 if (n > max_name_len)
766 /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */
767 sim_io_printf (sd, " Total read: %s accesses\n",
768 COMMAS (total_read));
769 sim_io_printf (sd, " Total write: %s accesses\n",
770 COMMAS (total_write));
772 if (verbose && max_val != 0)
774 /* FIXME: Need to separate instruction fetches from data fetches
775 as the former swamps the latter. */
776 /* Now we can print the histogram. */
777 sim_io_printf (sd, "\n");
778 for (i = 0; i < MODE_TARGET_MAX; ++i)
780 if (PROFILE_READ_COUNT (data) [i] != 0)
782 sim_io_printf (sd, " %*s read: %*s: ",
783 max_name_len, MODE_NAME (i),
784 max_val < 10000 ? 5 : 10,
785 COMMAS (PROFILE_READ_COUNT (data) [i]));
786 sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
787 PROFILE_READ_COUNT (data) [i],
789 sim_io_printf (sd, "\n");
791 if (PROFILE_WRITE_COUNT (data) [i] != 0)
793 sim_io_printf (sd, " %*s write: %*s: ",
794 max_name_len, MODE_NAME (i),
795 max_val < 10000 ? 5 : 10,
796 COMMAS (PROFILE_WRITE_COUNT (data) [i]));
797 sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
798 PROFILE_WRITE_COUNT (data) [i],
800 sim_io_printf (sd, "\n");
805 sim_io_printf (sd, "\n");
810 #if WITH_PROFILE_CORE_P
813 profile_print_core (sim_cpu *cpu, int verbose)
816 unsigned int max_val;
817 /* FIXME: Need to add smp support. */
818 SIM_DESC sd = CPU_STATE (cpu);
819 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
822 sim_io_printf (sd, "CORE Statistics\n\n");
824 /* First pass over data computes various things. */
829 for (map = 0; map < nr_maps; map++)
831 total += PROFILE_CORE_COUNT (data) [map];
832 if (PROFILE_CORE_COUNT (data) [map] > max_val)
833 max_val = PROFILE_CORE_COUNT (data) [map];
837 /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */
838 sim_io_printf (sd, " Total: %s accesses\n",
841 if (verbose && max_val != 0)
844 /* Now we can print the histogram. */
845 sim_io_printf (sd, "\n");
846 for (map = 0; map < nr_maps; map++)
848 if (PROFILE_CORE_COUNT (data) [map] != 0)
850 sim_io_printf (sd, "%10s:", map_to_str (map));
851 sim_io_printf (sd, "%*s: ",
852 max_val < 10000 ? 5 : 10,
853 COMMAS (PROFILE_CORE_COUNT (data) [map]));
854 sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
855 PROFILE_CORE_COUNT (data) [map],
857 sim_io_printf (sd, "\n");
862 sim_io_printf (sd, "\n");
867 #if WITH_PROFILE_MODEL_P
870 profile_print_model (sim_cpu *cpu, int verbose)
872 SIM_DESC sd = CPU_STATE (cpu);
873 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
874 unsigned long cti_stall_cycles = PROFILE_MODEL_CTI_STALL_CYCLES (data);
875 unsigned long load_stall_cycles = PROFILE_MODEL_LOAD_STALL_CYCLES (data);
876 unsigned long total_cycles = PROFILE_MODEL_TOTAL_CYCLES (data);
879 sim_io_printf (sd, "Model %s Timing Information",
880 MODEL_NAME (CPU_MODEL (cpu)));
881 #ifdef SIM_HAVE_ADDR_RANGE
882 if (PROFILE_RANGE (data)->ranges)
883 sim_io_printf (sd, " (for selected address range(s))");
885 sim_io_printf (sd, "\n\n");
886 sim_io_printf (sd, " %-*s %s\n",
887 PROFILE_LABEL_WIDTH, "Taken branches:",
888 COMMAS (PROFILE_MODEL_TAKEN_COUNT (data)));
889 sim_io_printf (sd, " %-*s %s\n",
890 PROFILE_LABEL_WIDTH, "Untaken branches:",
891 COMMAS (PROFILE_MODEL_UNTAKEN_COUNT (data)));
892 sim_io_printf (sd, " %-*s %s\n",
893 PROFILE_LABEL_WIDTH, "Cycles stalled due to branches:",
894 COMMAS (cti_stall_cycles));
895 sim_io_printf (sd, " %-*s %s\n",
896 PROFILE_LABEL_WIDTH, "Cycles stalled due to loads:",
897 COMMAS (load_stall_cycles));
898 sim_io_printf (sd, " %-*s %s\n",
899 PROFILE_LABEL_WIDTH, "Total cycles (*approximate*):",
900 COMMAS (total_cycles));
901 sim_io_printf (sd, "\n");
907 sim_profile_print_bar (SIM_DESC sd, unsigned int width,
908 unsigned int val, unsigned int max_val)
910 unsigned int i, count;
912 count = ((double) val / (double) max_val) * (double) width;
914 for (i = 0; i < count; ++i)
915 sim_io_printf (sd, "*");
918 /* Print the simulator's execution speed for CPU. */
921 profile_print_speed (sim_cpu *cpu)
923 SIM_DESC sd = CPU_STATE (cpu);
924 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
925 unsigned long milliseconds = sim_events_elapsed_time (sd);
926 unsigned long total = PROFILE_TOTAL_INSN_COUNT (data);
929 sim_io_printf (sd, "Simulator Execution Speed\n\n");
932 sim_io_printf (sd, " Total instructions: %s\n", COMMAS (total));
934 if (milliseconds < 1000)
935 sim_io_printf (sd, " Total execution time: < 1 second\n\n");
938 /* The printing of the time rounded to 2 decimal places makes the speed
939 calculation seem incorrect [even though it is correct]. So round
940 MILLISECONDS first. This can marginally affect the result, but it's
941 better that the user not perceive there's a math error. */
942 double secs = (double) milliseconds / 1000;
943 secs = ((double) (unsigned long) (secs * 100 + .5)) / 100;
944 sim_io_printf (sd, " Total execution time: %.2f seconds\n", secs);
945 /* Don't confuse things with data that isn't useful.
946 If we ran for less than 2 seconds, only use the data if we
947 executed more than 100,000 insns. */
948 if (secs >= 2 || total >= 100000)
949 sim_io_printf (sd, " Simulator speed: %s insns/second\n\n",
950 COMMAS ((unsigned long) ((double) total / secs)));
954 /* Print selected address ranges. */
957 profile_print_addr_ranges (sim_cpu *cpu)
959 ADDR_SUBRANGE *asr = PROFILE_RANGE (CPU_PROFILE_DATA (cpu))->ranges;
960 SIM_DESC sd = CPU_STATE (cpu);
964 sim_io_printf (sd, "Selected address ranges\n\n");
967 sim_io_printf (sd, " 0x%lx - 0x%lx\n",
968 (long) asr->start, (long) asr->end);
971 sim_io_printf (sd, "\n");
975 /* Top level function to print all summary profile information.
976 It is [currently] intended that all such data is printed by this function.
977 I'd rather keep it all in one place for now. To that end, MISC_CPU and
978 MISC are callbacks used to print any miscellaneous data.
980 One might want to add a user option that allows printing by type or by cpu
981 (i.e. print all insn data for each cpu first, or print data cpu by cpu).
982 This may be a case of featuritis so it's currently left out.
984 Note that results are indented two spaces to distinguish them from
988 profile_info (SIM_DESC sd, int verbose)
991 int print_title_p = 0;
993 /* Only print the title if some data has been collected. */
994 /* ??? Why don't we just exit if no data collected? */
995 /* FIXME: If the number of processors can be selected on the command line,
996 then MAX_NR_PROCESSORS will need to take an argument of `sd'. */
998 for (c = 0; c < MAX_NR_PROCESSORS; ++c)
1000 sim_cpu *cpu = STATE_CPU (sd, c);
1001 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
1003 for (i = 0; i < MAX_PROFILE_VALUES; ++i)
1004 if (PROFILE_FLAGS (data) [i])
1006 /* One could break out early if print_title_p is set. */
1009 sim_io_printf (sd, "Summary profiling results:\n\n");
1011 /* Loop, cpu by cpu, printing results. */
1013 for (c = 0; c < MAX_NR_PROCESSORS; ++c)
1015 sim_cpu *cpu = STATE_CPU (sd, c);
1016 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
1018 if (MAX_NR_PROCESSORS > 1
1020 #if WITH_PROFILE_INSN_P
1021 || PROFILE_FLAGS (data) [PROFILE_INSN_IDX]
1023 #if WITH_PROFILE_MEMORY_P
1024 || PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX]
1026 #if WITH_PROFILE_CORE_P
1027 || PROFILE_FLAGS (data) [PROFILE_CORE_IDX]
1029 #if WITH_PROFILE_MODEL_P
1030 || PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]
1032 #if WITH_PROFILE_SCACHE_P && WITH_SCACHE
1033 || PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX]
1035 #if WITH_PROFILE_PC_P
1036 || PROFILE_FLAGS (data) [PROFILE_PC_IDX]
1040 sim_io_printf (sd, "CPU %d\n\n", c);
1043 #ifdef SIM_HAVE_ADDR_RANGE
1045 && (PROFILE_INSN_P (cpu)
1046 || PROFILE_MODEL_P (cpu)))
1047 profile_print_addr_ranges (cpu);
1050 #if WITH_PROFILE_INSN_P
1051 if (PROFILE_FLAGS (data) [PROFILE_INSN_IDX])
1052 profile_print_insn (cpu, verbose);
1055 #if WITH_PROFILE_MEMORY_P
1056 if (PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX])
1057 profile_print_memory (cpu, verbose);
1060 #if WITH_PROFILE_CORE_P
1061 if (PROFILE_FLAGS (data) [PROFILE_CORE_IDX])
1062 profile_print_core (cpu, verbose);
1065 #if WITH_PROFILE_MODEL_P
1066 if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX])
1067 profile_print_model (cpu, verbose);
1070 #if WITH_PROFILE_SCACHE_P && WITH_SCACHE
1071 if (PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX])
1072 scache_print_profile (cpu, verbose);
1075 #if WITH_PROFILE_PC_P
1076 if (PROFILE_FLAGS (data) [PROFILE_PC_IDX])
1077 profile_print_pc (cpu, verbose);
1080 /* Print cpu-specific data before the execution speed. */
1081 if (PROFILE_INFO_CPU_CALLBACK (data) != NULL)
1082 PROFILE_INFO_CPU_CALLBACK (data) (cpu, verbose);
1084 /* Always try to print execution time and speed. */
1086 || PROFILE_FLAGS (data) [PROFILE_INSN_IDX])
1087 profile_print_speed (cpu);
1090 /* Finally print non-cpu specific miscellaneous data. */
1091 if (STATE_PROFILE_INFO_CALLBACK (sd))
1092 STATE_PROFILE_INFO_CALLBACK (sd) (sd, verbose);
1096 /* Install profiling support in the simulator. */
1099 profile_install (SIM_DESC sd)
1103 SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
1104 sim_add_option_table (sd, NULL, profile_options);
1105 for (i = 0; i < MAX_NR_PROCESSORS; ++i)
1106 memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0,
1107 sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i))));
1108 #if WITH_PROFILE_INSN_P
1109 sim_module_add_init_fn (sd, profile_insn_init);
1111 #if WITH_PROFILE_PC_P
1112 sim_module_add_uninstall_fn (sd, profile_pc_uninstall);
1113 sim_module_add_init_fn (sd, profile_pc_init);
1115 sim_module_add_init_fn (sd, profile_init);
1116 sim_module_add_uninstall_fn (sd, profile_uninstall);
1117 sim_module_add_info_fn (sd, profile_info);
1122 profile_init (SIM_DESC sd)
1124 #ifdef SIM_HAVE_ADDR_RANGE
1125 /* Check if a range has been specified without specifying what to
1130 for (i = 0; i < MAX_NR_PROCESSORS; ++i)
1132 sim_cpu *cpu = STATE_CPU (sd, i);
1134 if (ADDR_RANGE_RANGES (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)))
1135 && ! (PROFILE_INSN_P (cpu)
1136 || PROFILE_MODEL_P (cpu)))
1138 sim_io_eprintf_cpu (cpu, "Profiling address range specified without --profile-insn or --profile-model.\n");
1139 sim_io_eprintf_cpu (cpu, "Address range ignored.\n");
1140 sim_addr_range_delete (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)),
1141 0, ~ (address_word) 0);
1151 profile_uninstall (SIM_DESC sd)
1155 for (i = 0; i < MAX_NR_PROCESSORS; ++i)
1157 sim_cpu *cpu = STATE_CPU (sd, i);
1158 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
1160 if (PROFILE_FILE (data) != NULL)
1162 /* If output from different cpus is going to the same file,
1163 avoid closing the file twice. */
1164 for (j = 0; j < i; ++j)
1165 if (PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, j)))
1166 == PROFILE_FILE (data))
1169 fclose (PROFILE_FILE (data));
1172 if (PROFILE_INSN_COUNT (data) != NULL)
1173 zfree (PROFILE_INSN_COUNT (data));